Can someone please help? economics

Precision dyes is analyzing two machines to determine which one it should purchase. the company requires a rate of return of 15 percent and uses straight-line depreciation to a zero book value over the life of its equipment. ignore bonus depreciation. machine a has a cost of $462,000, annual aftertax cash outflows of $46,200, and a four-year life. machine b costs $898,000, has annual aftertax cash outflows of $16,500, and has a seven-year life. whichever machine is purchased will be replaced at the end of its useful life. which machine should the company purchase and how much less is that machine's eac as compared to the other machine's

Nnette henri is paid an hourly wage of $8.90 for a 32-hour workweek of 4 days, 8 hours daily. for any work on the fifth day and on saturdays, she is paid one and one-half times her regular hourly rate. during a certain week, in addition to her regular 32 hours, henri worked 6 hours on the fifth day and 5 hours on saturday. for this workweek, henri’s total earnings are:

E11-2 (multiple choice) identify the best answer for each of the following: which of the following statements about internal service fund liabilities is false? internal service funds may report both current and long-term liabilities. internal service funds may not issue bonds for financing purposes. internal service funds may report contingent liabilities. due to other funds would be reported as a current liability